Last week PNG's Chief Justice Sir Salamo Injia called on Australia to reveal its plans for the inmates' resettlement but said the original orders were too vague and the court will sit again to clarify its direction.

Australia has claimed a number of times it has no responsibility for the asylum seekers and refugees.

Lawyer, Ben Lomai, said they want the court to clearly say Australia is responsible.

"That will be the very least that we will be pursuing. At the extreme we will be saying Australia is solely responsible after the 26th of April decision," he said.

"But at the very least their position may be that the Australian and PNG Governments are equally and severally responsible for the welfare, for the management and control of the asylum seekers."

Australia's government has been criticised for shirking responsibility for the plight of asylum seekers and refugees caught up in its offshore processing centres on Nauru and Manus Island, Papua New… Audio

Australia is intentionally ignoring appalling human rights abuses against men, women and children being held in detention on Nauru, a new report from Human Rights Watch and Amnesty International says. Audio